N3400 over Burkhart Creek
Garvin County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N3400 over Burkhart Creek in Garvin County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 127 of the 330 inventoried bridges in Garvin County rated good (38.5%); 38 (11.5%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (34.74023, -96.9502)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 31 ft |
| Location | 4. S .7 E of Stratford |
| NBI structure number | 224830000000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Garvin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-35 over Creek | 1969 | 36,000 | Good |
| I-35 over Washita River | 2016 | 32,900 | Good |
| I-35 over Creek | 1967 | 31,000 | Fair |
| I-35 over Creek | 1968 | 30,600 | Fair |
| I-35 over Rush Creek | 1969 | 17,250 | Fair |
| I-35 over S.H. 19 Under | 1970 | 17,250 | Good |
All bridges nearby: Garvin County, OK bridge conditions · every bridge in Garvin County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.